They _______ on the program for almost one week before I joined them, and now we ________ it as no good results have come out so far.
#104610
A
had been working; are still working
B
had worked; were still working
C
have been working; have worked
D
have worked; are still working
推荐题目
To our great relief, Jack’s illness proved not to be as serious as we ___.
#99958
A
had feared
B
has feared
C
would fear
D
feared
Our teacher taught us that water ___ at zero degree centigtade.
#104492
A
freezes
B
freeze
C
freezed
D
is freezed
He works as an engineer now, but he _____ on a farm for three years.
#101493
A
has worked
B
worked
C
was working
D
had worked